The evaporation of water increases under the following conditions :

Which of the following process/ processes release heat? (i) Condensation (ii) Vaporisation (iii) Freezing (iv) Melting Correct option is :

Consider the following statements: 1. Addition of salt to pure water increase the boiling point of water and decreases the freezing point of water. 2. When methyl alcohol is added to water boiling po…

Which one of the following apparatus is used for separating benzene and water mixture ?

Which one of the following processes is NOT useful for purification of solid impurities?

Which among the following methods is used to separate the constituents present in a compound?